A former CIA-linked physicist's comments about 'four alien species' have reignited UFO conspiracy theories online.

Newly released US government records on UFOs have revealed an FBI memo describing witnesses who claimed to see 'three and a half to 4 feet tall' humanoid figures in 'space suits and helmets' during ...

A North Wales vicar has argued that biblical prophet Ezekiel may have witnessed advanced alien technology, urging Christians ...

Donald Trump's latest release of declassified UFO files has renewed scrutiny of one of the most enduring questions in modern science and politics: do aliens exist? The newly published material adds to ...